//// AdSage Tracking Analytics Crumb
//// Copyright 2008 AdSage, All Rights Reserved.

function _ataTracker() {
    var domain = "analytics.adsage.cn/atac.gif?";
    this.params = { ver: "1.0" };

    this._history = {};

    var doc = document;
    var loc = doc.location;

    this.url = loc.protocol + "//" + domain;

    var queries = {
        "baidu": ["wd", "word", "w"],
        "sogou": "query",
        "google": "q",
        "yahoo": "p",
        "msn": "q",
        "live": "q",
        "zhongsou": "w",
        "soso": "w",
        "beijixing": "query",
        "aol": ["query", "encquery", "q"],
        "lycos": "query",
        "ask": "q",
        "cnn": "query",
        "about": "terms",
        "mamma": "query",
        "voila": "rdata",
        "alice": "qs",
        "yandex": "text",
        "najdi": "q",
        "mama": "query",
        "seznam": "q",
        "search": "q",
        "wp": "szukaj",
        "onet": "qt",
        "yam": "k",
        "pchome": "q",
        "kvasir": "searchExpr",
        "sesam": "q",
        "ozu": "q",
        "terra": "query",
        "mynet": "q",
        "ekolay": "q",
        "nostrum": "query",
        "altavista": "q",
        "netscape": "query",
        "looksmart": "qt",
        "alltheweb": "q",
        "gigablast": "q",
        "virgilio": "qs",
        "netsprint": "q",
        "szukacz": "q",
        "club-internet": "query",
        "google.interia": "q",
        "search.ilse": "search_for"
    };

    this.isLocal = loc.protocol == "file:";

    this.localEnabled = false;

    this.encoder = function(str) {
        if (typeof (encodeURIComponent) == 'function') {
            return encodeURIComponent(str);
        }
        else {
            return escape(str);
        }
    }

    this.parseRef = function() {
        var ref = doc.referrer;
        if (ref && ref != "") {
            this.params["ref"] = ref;
            var url="", protocalReg = /^(?:file|https?){1}\:\/\//i;
            if (protocalReg.test(ref)){
                url = ref.replace(protocalReg, "");
            }
            if (url != "" && (doc.domain == "" || url.indexOf(doc.domain) != 0)) {
                var src = url;
                var query = "";
                if (url.indexOf("/") > -1) {
                    src = url.substring(0, url.indexOf("/"));
                }
                var getKey = function(key) {
                    var pos = ref.indexOf("&" + key + "=");
                    if (pos == -1) pos = ref.indexOf("?" + key + "=");
                    if (pos > -1) {
                        return ref.substring(pos + key.length + 2).split("/")[0].split("#")[0].split("&")[0];
                    }
                    return "";
                }
                for (var source in queries) {
                    if (src.indexOf(source) > -1) {
                        var key = queries[source];
                        if (typeof (key) == "string") {
                            query = getKey(key);
                        }
                        else {
                            for (var i = 0; i < key.length; i++) {
                                var q = getKey(key[i]);
                                if (q != "") {
                                    var arr = q.split("+");
                                    query = arr.join(" ");
                                    break;
                                }
                            }
                        }
                    }
                }
                doc.cookie = "__atasr=" + src + "|" + query;
            }
        }
        else {
            doc.cookie = "__atasr=(direct)";
        }
    }

    this.parseCookie = function() {
        if (doc.cookie && doc.cookie != "") {
            var arr = doc.cookie.split(";");
            for (var i = 0; i < arr.length; i++) {
                var crumb = arr[i].split("=");
                if (crumb[0] == "__atasr") {
                    var srq = crumb[1].split("|");
                    this.params["src"] = srq[0];
                    if (srq[0] != "(direct)" && srq[1] && srq[1] != "") {
                        this.params["q"] = srq[1];
                    }
                }
            }
        }
    }

    this.parseClient = function() {
        var n = navigator;
        if (screen) {
            this.params["sr"] = screen.width + "x" + screen.height;
            this.params["sc"] = screen.colorDepth;
        }
        this.params["je"] = n.javaEnabled() ? "1" : "0";
        var f = "";
        if (n.plugins && n.plugins.length) {
            for (var i = 0; i < n.plugins.length; i++) {
                if (n.plugins[i].name.indexOf('Shockwave Flash') != -1) {
                    f = n.plugins[i].description.split('Shockwave Flash ')[1];
                    break;
                }
            }
        }
        else {
            var fl;
            try {
                fl = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
                f = fl.GetVariable("$version");
            } catch (e) { }
            if (f == "") {
                try {
                    fl = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
                    f = "WIN 6,0,21,0";
                    fl.AllowScriptAccess = "always";
                    f = fl.GetVariable("$version");
                } catch (e) { }
            }
            if (f == "") {
                try {
                    fl = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
                    f = fl.GetVariable("$version");
                } catch (e) { }
            }
            if (f != "") {
                f = f.split(" ")[1].split(",");
                f = f[0] + "." + f[1] + " r" + f[2];
            }
        }
        if (f != "") this.params["fl"] = f;
    }

    this.parseDoc = function() {
        if (doc.characterSet) this.params["cs"] = doc.characterSet;
        else if (doc.charset) this.params["cs"] = doc.charset;
        if (doc.title && doc.title != "") {
            if (doc.title.length <= 200) {
                this.params["dt"] = doc.title;
            }
            else {
                this.params["dt"] = doc.title.substring(0, 200);
            }
        }
    }

    this.parseRef();
    this.parseCookie();
    this.parseClient();
    this.parseDoc();
}

_ataTracker.prototype.setTags = function(tags) {
    if (!tags || tags == "") return;
    var arr = tags.split("|");
    var result = [];
    for (var i = 0; i < arr.length; i++) {
        var tag = arr[i];
        if (tag != "") {
            var hasTag = false;
            for (var j = 0; j < result.length; j++) {
                if (result[j] == tag) {
                    hasTag = true;
                    break;
                }
            }
            if (!hasTag) result.push(tag);
        }
    }
    this.params["tag"] = result.join("|");
}

_ataTracker.prototype.setAccount = function(acc) {
    if (!acc || acc == "") return;
    this.params["acc"] = acc;
}

_ataTracker.prototype.setConversion = function(cid, csid) {
    if (!cid || !csid || cid == "" || csid == "") return;
    this.params["cid"] = cid;
    this.params["csid"] = csid;
}

_ataTracker.prototype.addKey = function(key, val) {
    if (!key || !val || key == "" || val == "") return;
    this.params["_" + key] = val;
}

_ataTracker.prototype.SetPageURL = function() {
    var pageURL = document.location.href;
    if (!pageURL || -1 == pageURL.indexOf("http"))
        pageURL = document.URL;
    if (pageURL && 0 == pageURL.indexOf("http"))
        this.params["pageURL"] = pageURL;
}

_ataTracker.prototype.SetRandomNum = function() {
    var random = Math.round((Math.random() * (9999999 - 1) + 1));
    this.params["rd"] = random;
    //alert(random);
}

_ataTracker.prototype.track = function() {
    if (!this.localEnabled && this.isLocal) return;
    if (this.params["acc"] && this.params["acc"] != "") {
        this.SetPageURL();
        this.SetRandomNum();
        var arr = [];
        for (var key in this.params) {
            var val = this.params[key];
            if (val && typeof (val) != "function" && val != "") arr.push(key + "=" + this.encoder(val));
        }

        var trc = this.url + arr.join("&");
        if (!this._history[trc]) {
            this._history[trc]=true;
            var sp = document.createElement("script");
            sp.async = true;
            var _h = document.getElementsByTagName("head")[0];
            _h && _h.appendChild(sp);
            sp.src = trc;
        }
    }
}

var ataTracker = new _ataTracker();